The indirect lighting is black on mobile with sublevels

UE - Rendering - Graphics Features - Apr 28, 2022

MoviePipeline: Panoramic Renders don't work

zComponent - Archive - Nov 10, 2022

Images aren't just under exposed, they have values of 0.0 even in exrs - enabling the Debug Settings and writing out all samples shows the GPU is actually rendering black. ...

Ocean not centered at correct location when placed away from the origin

UE - Graphics Tools - Terrain - Water - Mar 21, 2023

This display problem is a problem in the editor and Ocean was drawn normally during the PIE. When the problem occurred, we observed that only a part of the WaterInfoTexture in the WaterZone was wri ...

Started event of EnhancedInput continues to be triggered when a key is pressed and held down from before the level transition.

UE - Gameplay - Input - Sep 20, 2023

When a key is held down after a level transition, the "Started" event of the Enhanced Input is triggered continuously.  Suspected similar root cause as [Link Removed].  ...

SwapRootBone_Actor ignores a relative rotation

zComponent - Archive - Dec 19, 2023

When we use SwapRootBone_Actor, we expect to move in the X-axis direction, which is the forward direction of the Actor. However, it does not take into account the RelativeRotation of the Skeltalmesh ...

SkeletalMeshActor flickers rapidly when PhysicsAsset contains multiple boxes.

UE - Runtime - AnimGen - Apr 12, 2024

SkeletalMeshActor using a PhysicsAsset with custom box shapes may flicker rapidly in Editor when not selected, and also flickers in PIE mode. If occlusion culling is disabled the flickering stops. ...

Clearcoat material behaves differently between 5.5 and 5.7

UE - Rendering - Graphics Features - Jan 16, 2026

Starting with Unreal Engine 5.7, specular reflections on clearcoat Materials are less pronounced. Unreal Engine 5.5 tests performed on //UE5/Release-5.5/, CL: 41545209 ...

Distance Field Artifact with Point/Spot Lights with Mesh scaled to 0 on XYZ

UE - Graphics Features - Apr 30, 2015

When using a Spot/Point Light with Distance Fields enabled and a mesh that is scaled to 0 on the XYZ will result in artifacts. ...

"Set Anim Instance Class" broken after using "Play Animation" node

OLD - Anim - Jul 17, 2015

After using a "Play Animation", the user cannot set the character back to using an AnimBP via the "Set Anim Instance Class" node. Workaround: Use two "Set Anim Instance Class" nodes. One to set i ...

Live Node Previews are broken with Coordinates higher than UV0

UE - Rendering - Architecture - Materials - May 18, 2015

User reporting the Live Node Preview in the Material Editor will return only Black in the Node when using any UV other than UV0. Also reproduced in Main Promotable-CL-2552010 & Releases/4.8/Promote ...